Chris HemedingerChris Hemedinger has been with SAS since 1993. In that time, he has been a writer, a software developer, and an R&D manager. He was on the founding team for SAS Enterprise Guide, leading the development team for 10 years. Today, Hemedinger is a princpal technical architect in SAS Professional Services (also known as "consulting"). He is also coauthor of SAS For Dummies and writes The SAS Dummy blog at http: //blogs.sas.com/sasdummy. Read More Read Less